package com.ljheee.ziptool.core; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.nio.charset.Charset; import java.util.Enumeration; import java.util.zip.ZipEntry; import java.util.zip.ZipFile; /** * 實現文件[夾]解壓 * @author ljheee * */ public class UnZipFile { /** * 解壓到指定目錄 * @param zipPath * @param descDir */ public static void unZipFiles(String zipPath, String descDir) throws IOException { unZipFiles(new File(zipPath), descDir); } /** * 解壓文件到指定目錄 * 解壓後的文件名,和以前一致 * @param zipFile 待解壓的zip文件 * @param descDir 指定目錄 */ @SuppressWarnings("rawtypes") public static void unZipFiles(File zipFile, String descDir) throws IOException { ZipFile zip = new ZipFile(zipFile,Charset.forName("GBK"));//解決中文文件夾亂碼 String name = zip.getName().substring(zip.getName().lastIndexOf('\\')+1, zip.getName().lastIndexOf('.')); File pathFile = new File(descDir+name); if (!pathFile.exists()) { pathFile.mkdirs(); } for (Enumeration<? extends ZipEntry> entries = zip.entries(); entries.hasMoreElements();) { ZipEntry entry = (ZipEntry) entries.nextElement(); String zipEntryName = entry.getName(); InputStream in = zip.getInputStream(entry); String outPath = (descDir + name +"/"+ zipEntryName).replaceAll("\\*", "/"); // 判斷路徑是否存在,不存在則建立文件路徑 File file = new File(outPath.substring(0, outPath.lastIndexOf('/'))); if (!file.exists()) { file.mkdirs(); } // 判斷文件全路徑是否爲文件夾,若是是上面已經上傳,不須要解壓 if (new File(outPath).isDirectory()) { continue; } // 輸出文件路徑信息 // System.out.println(outPath); FileOutputStream out = new FileOutputStream(outPath); byte[] buf1 = new byte[1024]; int len; while ((len = in.read(buf1)) > 0) { out.write(buf1, 0, len); } in.close(); out.close(); } System.out.println("******************解壓完畢********************"); return; } //測試 public static void main(String[] args) { try { unZipFiles(new File("E:/Study/Java.zip"), "E:/Study/abc/"); } catch (IOException e) { e.printStackTrace(); } } }
完整工程實現界面化,經過界面完成對文件的壓縮和解壓,以下圖:java